Definition of enuresis in US English:



  • Involuntary urination, especially by children at night.

    ‘nocturnal enuresis can be due to a urinary tract infection’
    • ‘Nocturnal enuresis, or bed-wetting, is one of the most prevalent and persistent sleep problems in children.’
    • ‘Bedwetting, called enuresis, is the involuntary discharge of urine during sleep.’
    • ‘For some young children bladder control is more difficult to achieve at night - enuresis, commonly known as bed-wetting, has been discussed by physicians since the days of Galen and Hippocrates.’
    • ‘Secondary nocturnal enuresis is when a child has accidental wetting after having had bladder control for six or more months.’
    • ‘Other surveys have found that children with nocturnal enuresis are more subject to ‘confused awakenings,’ such as night terrors or sleepwalking, than children who do not wet the bed.’


Early 19th century: modern Latin, from Greek enourein ‘urinate in’, from en- ‘in’ + ouron ‘urine’.